Home / 37,261.26-51,420.29-21,131.61

Finding the Fourth Proportional to 37,261.26, 51,420.29 and 21,131.61

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Solution

The fourth proportional to 37,261.26, 51,420.29 and 21,131.61 is: 29,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,261.26 : 51,420.29 = 21,131.61 : x
  2. Step 2: Convert to fraction form
    37,261.26/51,420.29 = 21,131.61/x
  3. Step 3: Cross multiply
    37,261.26x = 51,420.29 × 21,131.61
  4. Step 4: Simplify right side
    37,261.26x = 1,086,593,408.71
  5. Step 5: Solve for x
    x = 1,086,593,408.71/37,261.26
  6. Step 6: Final answer
    x = 29,161.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.